The equation h(t)=-16t^2+64t+80 models the height of a rocket launched from the top of a building. Which statement is true? A. The maximum height of the rocket is 144 feet.
B. The rocket hits the ground in 2 seconds.
C. The rocket reaches its maximum height in 5 seconds.
D. The maximum height of the rocket is 80 feet.

For each proportion find the unknown number x 1/5/8=×/15

Adoctor administers a drug to a 38-kg patient, using a dosage formula of 50 mg/kg/day. assume that the drug is available in a 100 mg per 5 ml suspension or in 500 mg tablets. a. how many tablets should a 38-kg patient take every four hours? b. the suspension with a drop factor of 10 ggt/ml delivers the drug intravenously to the patient over a twelve-hour period. what flow rate should be used in units of ggt/hr? a. the patient should take nothing pills every four hours. (type an integer or decimal rounded to the nearest hundredth as needed.)

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase